解题方法
1 . 已知函数
的图象过原点,且
.
(1)求实数
的值;
(2)判断并证明函数
在区间
上的单调性;
(3)设
,若方程
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459d1d8477fd46ece5a65d40e32b4bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)判断并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc85ea4307d370eed343e6c8b40a58cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d74a114bf0db9ea600458298951cb7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2818807dce7e9ec5514de572c3cc644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 已知函数
在
处取得极值0.
(1)求实数
,
的值;
(2)若关于
的方程
在区间
上恰有2个不同的实数解,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb971acfb5c210fec7011d5f3058545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4f48ae747946369e975861563fcde47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f326a5bebacb4e613f6cee7864de1a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-15更新
|
732次组卷
|
2卷引用:天津市武清区2022-2023学年高三上学期期中数学试题
名校
3 . 已知
是定义在
上的奇函数,当
时,
.
(1)求
在
上的解析式;
(2)当
时,
恒成立,求实数
的取值范围;
(3)关于
的方程
在
上有两个不相等的实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02126620d782d0d3863c4f3619194d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a785c62cb8ea9fd36a94938c613a81a7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53224898de85a85058ad336490bbbaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e971e6942744e15929b43fa0f4499b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9204244b5b01ac83fad92e85b44607b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b2e67cd10ebbced3d964ab0dc5c298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2022-10-03更新
|
715次组卷
|
6卷引用:天津市第一中学2022-2023学年高三上学期第一次月考数学试题
名校
解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afac60d4b00bf6968aaed10968ce94a.png)
(1)用定义法证明函数
在
单调递增;
(2)设
,求
在
上的最大值
(3)设
,若方程
有两个不等实根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2afac60d4b00bf6968aaed10968ce94a.png)
(1)用定义法证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca28d081d3ad23ded20f8ab8e523d66.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980d777cb5e46e2fe32c07469497325b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d42f6f227b3df97c4a91807736c933e.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/824a683f8a312dbec8d7a5c6f9acfc6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada8a30573b21e915e1fc4e9c53683b5.png)
您最近一年使用:0次
2022-10-24更新
|
482次组卷
|
2卷引用:天津市西青区杨柳青第一中学2022-2023学年高一上学期期末数学试题
解题方法
5 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/2022/3/4/2928838592143360/2937366653181952/STEM/dc6a6b53a4a34aba84bee04fb344fa92.png?resizew=278)
(1)求
,
的值;
(2)在给定的坐标系中,画出
的图像(不必列表);
(3)若关于
的方程
恰有3个不相等的实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035c9f027f6a6f0882f5a2c9ce05ca55.png)
![](https://img.xkw.com/dksih/QBM/2022/3/4/2928838592143360/2937366653181952/STEM/dc6a6b53a4a34aba84bee04fb344fa92.png?resizew=278)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d55ef0d1b7ea88d92fd6e1ecebb5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754386f1d84e582d52d8219080a81528.png)
(2)在给定的坐标系中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb101c5df08aa35ae24a6416840b199b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次